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Bolt size that holds blade on a 173cc yardman push Lawnmore

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Its a 3/8 bolt

Posted on Jun 07, 2014


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Posted on Jan 02, 2017

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SOURCE: yardman push mower self propell not working

check to see if it is belt or gear driven

Posted on May 02, 2009

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SOURCE: yardman 173cc wont stay running as long as you

the jet in the carb sounds like it is clogged

Posted on Sep 02, 2009

  • 3740 Answers

SOURCE: need manual to see what size bolt is that holds on

Hi and welcome to FixYa. I am Kelly,

It appears your model number is 74370 There are 3 bolts one for each blade and the part number is 26-0671 or 260671 for the blade mount.

Part look up:
then enter part number 260671 $6.31 ea.

You can not use just any bolt for this. They are hardened bolts with an NF thread. If you use a non hardened bolt the blade will fly off when the bolt shears.

This bolt is available at most all Lawn Mower Parts Supply sources. Toro uses the same bolt on most all of their mowers.

If you do not have a Lawnmower Parts Supply near by, you might be able to go to an Autoparts supply source with yet one of the other blade bolts in hand and have them match the markings on the bolt head with yours so that you have the exact replacement bolt.

Any other parts for your mower can be found here:

Use the Search model window. each line below is a drop down window
74370 <- there are numerous models up to 74704
enter your model number if different.

Thanks for using FixYa.


Posted on Apr 27, 2010

  • 718 Answers

SOURCE: i have a yardman 173cc

If you store this machine outdoors than you might have a little water in the system, otherwise give the carb a good cleaning.

Posted on Nov 09, 2010

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